itkPathToImageFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPathToImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-04-25 12:27:50 $
  Version:   $Revision: 1.5 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkPathToImageFilter_h
#define __itkPathToImageFilter_h

#include "itkImageSource.h"
#include "itkConceptChecking.h"

namespace itk
{
  
template <class TInputPath, class TOutputImage>
class ITK_EXPORT PathToImageFilter : public ImageSource<TOutputImage>
{
public:
  typedef PathToImageFilter          Self;
  typedef ImageSource<TOutputImage>  Superclass;
  typedef SmartPointer<Self>         Pointer;
  typedef SmartPointer<const Self>   ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(PathToImageFilter,ImageSource);

  typedef typename Superclass::OutputImageRegionType  OutputImageRegionType;
  typedef          TInputPath                         InputPathType;
  typedef typename InputPathType::Pointer             InputPathPointer;
  typedef typename InputPathType::ConstPointer        InputPathConstPointer;
  typedef          TOutputImage                       OutputImageType;
  typedef typename OutputImageType::Pointer           OutputImagePointer;
  typedef typename OutputImageType::SizeType          SizeType;
  typedef typename OutputImageType::ValueType         ValueType;

  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  virtual void SetInput( const InputPathType *path);
  virtual void SetInput( unsigned int, const TInputPath * path);
  const InputPathType * GetInput(void);
  const InputPathType * GetInput(unsigned int idx);

  virtual void SetSpacing( const double* spacing);
  virtual void SetSpacing( const float* spacing);
  virtual const double* GetSpacing() const;

  itkSetMacro(PathValue, ValueType);
  itkGetConstMacro(PathValue, ValueType);
  itkSetMacro(BackgroundValue, ValueType);
  itkGetConstMacro(BackgroundValue, ValueType);

  virtual void SetOrigin( const double* origin);
  virtual void SetOrigin( const float* origin);
  virtual const double * GetOrigin() const;

  itkSetMacro(Size,SizeType);
  itkGetConstMacro(Size,SizeType);

protected:
  PathToImageFilter();
  ~PathToImageFilter();

  virtual void GenerateOutputInformation(){}; // do nothing
  virtual void GenerateData();


  SizeType     m_Size;
  double       m_Spacing[OutputImageDimension];
  double       m_Origin[OutputImageDimension];
  ValueType    m_PathValue;
  ValueType    m_BackgroundValue;

  virtual void PrintSelf(std::ostream& os, Indent indent) const;

private:
  PathToImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPathToImageFilter.txx"
#endif

#endif

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